Palo Alto Networks Security Advisories / CVE-2019-15020

CVE-2019-15020 Command Injection in Zingbox Inspector

047910
Severity 9.8 · CRITICAL
Attack Vector NETWORK
Scope UNCHANGED
Attack Complexity LOW
Confidentiality Impact HIGH
Privileges Required NONE
Integrity Impact HIGH
User Interaction NONE
Availability Impact HIGH

Description

A security vulnerability exists in the Zingbox Inspector that could allow an attacker to supply an invalid software update image to the Zingbox Inspector that could result in command injection. (Ref: CVE-2019-15020)

The vulnerability allows for an attacker in a position to intercept a software update package to deliver a tampered software update package.

This issue affects Zingbox Inspector, versions 1.293 and earlier.

Product Status

VersionsAffectedUnaffected
Zingbox Inspector 1<= 1.293>= 1.294

Severity: CRITICAL

CVSSv3.1 Base Score: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Weakness Type

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Solution

Zingbox Inspector, version 1.294 and later.

Workarounds and Mitigations

In the normal course of operation, Zingbox Inspector automatically updates its own software, and a fixed version of software has already been made available. No user action is required unless the software is unable to update itself. Customers still running affected versions of Zingbox Inspector software can mitigation this issue by updating to a patched version, or by explicitly whitelisting access from the Zingbox Inspector to only the Zingbox cloud for updates by using a firewall.

Acknowledgments

Note: This security issue was found during an internal security audit performed during the Palo Alto Networks acquisition of Zingbox. The issues discovered during this process have been addressed in software updates as described in the published Zingbox security advisories.
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